CN206250311U - A kind of lithium battery - Google Patents
A kind of lithium battery Download PDFInfo
- Publication number
- CN206250311U CN206250311U CN201621163966.8U CN201621163966U CN206250311U CN 206250311 U CN206250311 U CN 206250311U CN 201621163966 U CN201621163966 U CN 201621163966U CN 206250311 U CN206250311 U CN 206250311U
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- CN
- China
- Prior art keywords
- lithium battery
- liquid cooling
- plate
- thermal
- thermal conductivity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of lithium battery, including lithium battery module, and the lithium battery module includes lithium battery group and lug connection in series-parallel plate, and the lithium battery pole ear of the lithium battery group passes through the string lug parallel plate and is secured to connection；Heat management structure, the heat management structure includes liquid cooling structure and conductive structure, and the liquid cooling structure and conductive structure are engaged and be attached with the lithium battery module.
Description
Technical field
The utility model is related to lithium battery technical field of temperature control, in particular it relates to a kind of with heat management structure
Lithium battery.
Background technology
Method for soft package lithium ion power has been widely used to be led in new energy pure electric automobile and hybrid power new-energy automobile
Domain, promoting the use environment temperature of lithium battery group will adapt to wider temperature range, from -20~50 DEG C.Lithium battery is due to this
The chemical property of body is limited, and optimal operating ambient temperature is 20~40 DEG C, and this requires to be examined when lithium battery module is assembled
Consider how by temperature control system come the temperature of balanced lithium battery module, it is ensured that no matter lithium battery module is in high temperature or the environment of low temperature
Its best effort environment temperature can be met down, while making temperature rise of the lithium battery in charge and discharge process be controlled effectively.
Utility model content
The utility model provides a kind of lithium battery with heat management structure, and the concrete technical scheme of the lithium battery is：
Including lithium battery module, the lithium battery module includes lithium battery group and lug connection in series-parallel plate, the lithium battery of the lithium battery group
Lug is through the lug connection in series-parallel plate and is secured to connection；Heat management structure, the heat management structure includes liquid cooling structure
And conductive structure, the liquid cooling structure and conductive structure are engaged and are attached with the lithium battery module.
Further, the liquid cooling structure is liquid cooling plate, and the conductive structure includes thermal conductive ceramic plate and thermal conductivity flexible body,
The lower end of the liquid cooling plate sets fluted, and the thermal conductive ceramic plate is arranged in the groove and is closely pasted with the liquid cooling plate
Close；The thermal conductivity flexible body is laid on the outer surface of the lithium battery pole ear and the outer surface portions of the lug connection in series-parallel plate,
The thermal conductive ceramic plate is brought into close contact with the thermal conductivity flexible body.
Further, the lug connection in series-parallel plate is fixedly connected with the lithium battery pole ear using laser welding mode.
Further, the liquid cooling plate is aluminum metal section bar machine-shaping.
Further, the thermal conductivity flexible body is the one kind in heat conductive silica gel, heat-conducting silicone grease, heat conduction silica gel piece.
Further, the thermal conductive ceramic plate thickness is 0.5-1.0mm, and the thickness of the thermal conductivity flexible body is 0.5-
3.0mm。
The beneficial effects of the utility model are：Lithium battery of the present utility model has heat management structure, and overall structure letter
It is single, heated and radiated by the lug that exposes of lithium battery, the temperature control management to battery module is realized, make battery all the time
Optimal working environment can be in, the service life of battery is improve.Meanwhile, battery modular structure is compact, reduces battery mould
The space that block takes.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.
Brief description of the drawings
Accompanying drawing is used for providing being further understood to of the present utility model, and constitutes a part for specification, with this practicality
New embodiment is used to explain the utility model together, does not constitute to limitation of the present utility model.In the accompanying drawings：
Fig. 1 is the utility model lithium battery module heat management structure schematic diagram.
Fig. 2 is the utility model lithium battery module heat management structure cross section structure schematic diagram,
Fig. 3 is the utility model liquid cooling plate cross-sectional structure schematic diagram.
In figure：1st, liquid cooling plate；2nd, thermal conductive ceramic plate；3rd, thermal conductivity flexible body；4th, lug connection in series-parallel plate；5th, lithium battery module；
6th, lithium battery pole ear；7th, liquid cooling plate groove.
Specific embodiment
Preferred embodiment of the present utility model is illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein excellent
Select embodiment to be merely to illustrate and explain the utility model, be not used to limit the utility model.
As Figure 1-3, a kind of lithium battery, including：Lithium battery module and thermal management module；Lithium battery module is by lithium battery
The lithium battery group 5 and lug connection in series-parallel plate 4 of the marshalling of lug 6 are constituted, and thermal management module is by liquid cooling structure and conductive structure group
Into.Specifically, liquid cooling mechanism is liquid cooling plate 1, and conductive structure then includes thermal conductive ceramic plate 2 and thermal conductivity flexible body 3.
In the present embodiment, liquid cooling plate 1 is molded by aluminum metal shape extrusion, and band 3M is provided with the lower end groove 7 of liquid cooling plate 1
The thermal conductive ceramic plate 2 of glue, closely fits together with the surface of liquid cooling plate 1, and the thickness of thermal conductive ceramic plate 2 is 0.5-1.0mm, excellent
Selection of land, the thickness is 0.6mm.Further, the thermal conductivity factor of thermal conductive ceramic plate is more than 5W/mk, and dielectric strength is more than 5KV/
Mm. bending strength is more than 200Mpa.Further, the depth of groove 7 is 0.6-1.0mm.
Thermal conductivity flexible body 3 is provided between thermal conductive ceramic plate 2 and lithium battery pole ear 6, thickness is 0.5-3.0mm, preferably
Ground, the thickness is 3mm.Further, the thermal conductivity factor of thermal conductivity flexible body is more than 5W/mk.For filling outside lithium battery module
The dew scraggly plane of lug 6, makes do not have space between thermal conductive ceramic plate 2 and lithium battery pole ear 6, improves heat transfer efficiency.Tool
Body ground, thermal conductivity flexible body 3 is the one kind in heat conductive silica gel, heat-conducting silicone grease, heat conduction silica gel piece.
When lithium battery is assembled, battery pack is connect into position by actual requirement connection in series-parallel and is placed, using laser welding mode by institute
After the lithium battery pole ear 6 stated is welded with lug connection in series-parallel plate 4, by the material-paving of thermal conductivity flexible body 3 in the exposed surface of lug 6 and pole
The surface portion of ear connection in series-parallel plate 4, is finally fixed on lithium battery by the liquid cooling plate 1 with thermal conductive ceramic plate 2 by other structures part
In module 5, make thermal conductive ceramic plate 2 tightly compacted with thermal conductivity flexible body 3, complete rectification module assembled.
Finally it should be noted that：Preferred embodiment of the present utility model is the foregoing is only, this is not limited to
Utility model, although being described in detail to the utility model with reference to the foregoing embodiments, for those skilled in the art
For, it can still modify to the technical scheme described in foregoing embodiments, or to which part technical characteristic
Carry out equivalent.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc.,
Should be included within protection domain of the present utility model.
Claims (6)
1. a kind of lithium battery, it is characterised in that including lithium battery module, the lithium battery module includes lithium battery group and lug string
Parallel plate, the lithium battery pole ear of the lithium battery group passes through the lug connection in series-parallel plate and is secured to connection；Heat management structure,
The heat management structure include liquid cooling structure and conductive structure, the liquid cooling structure and conductive structure engagement and with the lithium battery
Module is attached.
2. lithium battery as claimed in claim 1, it is characterised in that：The liquid cooling structure is liquid cooling plate, the conductive structure bag
Thermal conductive ceramic plate and thermal conductivity flexible body are included, the lower end of the liquid cooling plate sets fluted, and the thermal conductive ceramic plate is arranged on described
It is brought into close contact in groove and with the liquid cooling plate；The thermal conductivity flexible body is laid on the outer surface of the lithium battery pole ear and described
The outer surface portions of lug connection in series-parallel plate, the thermal conductive ceramic plate is brought into close contact with the thermal conductivity flexible body.
3. lithium battery as claimed in claim 2, it is characterised in that the lug connection in series-parallel plate is used with the lithium battery pole ear
Laser welding mode is fixedly connected.
4. lithium battery as claimed in claim 3, it is characterised in that the liquid cooling plate is aluminum metal section bar machine-shaping.
5. lithium battery as claimed in claim 4, it is characterised in that the thermal conductivity flexible body is heat conductive silica gel, heat-conducting silicone grease, leads
One kind in hot silica gel piece.
6. lithium battery as claimed in claim 5, it is characterised in that the thermal conductive ceramic plate thickness is 0.5-1.0mm, described to lead
The thickness of thermal flexibility body is 0.5-3.0mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621163966.8U CN206250311U (en) | 2016-10-25 | 2016-10-25 | A kind of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621163966.8U CN206250311U (en) | 2016-10-25 | 2016-10-25 | A kind of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206250311U true CN206250311U (en) | 2017-06-13 |
Family
ID=58995808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621163966.8U Active CN206250311U (en) | 2016-10-25 | 2016-10-25 | A kind of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206250311U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380151A (en) * | 2018-04-12 | 2019-10-25 | 中信国安盟固利动力科技有限公司 | A kind of liquid cooling plate and lithium battery mould group |
| CN111403853A (en) * | 2020-03-28 | 2020-07-10 | 哈尔滨工程大学 | Power battery thermal management system based on joint liquid cooling heat dissipation of utmost point ear and module bottom |
-
2016
- 2016-10-25 CN CN201621163966.8U patent/CN206250311U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380151A (en) * | 2018-04-12 | 2019-10-25 | 中信国安盟固利动力科技有限公司 | A kind of liquid cooling plate and lithium battery mould group |
| CN111403853A (en) * | 2020-03-28 | 2020-07-10 | 哈尔滨工程大学 | Power battery thermal management system based on joint liquid cooling heat dissipation of utmost point ear and module bottom |
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